CVE-2017-6762 Cross-site scripting in Cisco Jabber Guest Server
Unauthenticated remote attackers can execute arbitrary scripts or access sensitive data via XSS in the Cisco Jabber Guest Server web interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-6762?
CVE-2017-6762 is a medium-severity cross-site scripting vulnerability in Cisco Jabber Guest Server, published on 7 Aug 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in the web-based management interface of Cisco Jabber Guest Server 10.6(9), 11.0(0), and 11.0(1) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the affected software. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCve09718.
Weakness: CWE-79
Which versions are affected by CVE-2017-6762?
It affects 1 product.
Products include Cisco Jabber Guest.
How do I fix CVE-2017-6762?
No fix has been published for CVE-2017-6762 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2017-6762 being exploited?
There is no known exploitation of CVE-2017-6762 in the wild and no public exploit code.
Other vulnerabilities in Cisco Jabber Guest Server
Sources
Also known as GHSA-p346-6xg3-w894.